Front portion of a motor vehicle



FIG. 1 is a perspective view of a front portion of a motor vehicle;

FIG. 2 is an enlarged perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top view thereof.

The de-emphasized and halftone portions shown in the drawings illustrate environmental structure for the front portion of a motor vehicle that forms no part of the claimed design. 

CLAIM The ornamental design for a front portion of a motor vehicle, as shown and described. 